Home / 814,244.70-1,221,804.45-340,977.90

Finding the Fourth Proportional to 814,244.70, 1,221,804.45 and 340,977.90

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Solution

The fourth proportional to 814,244.70, 1,221,804.45 and 340,977.90 is: 511,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,244.70 : 1,221,804.45 = 340,977.90 : x
  2. Step 2: Convert to fraction form
    814,244.70/1,221,804.45 = 340,977.90/x
  3. Step 3: Cross multiply
    814,244.70x = 1,221,804.45 × 340,977.90
  4. Step 4: Simplify right side
    814,244.70x = 416,608,315,571.66
  5. Step 5: Solve for x
    x = 416,608,315,571.66/814,244.70
  6. Step 6: Final answer
    x = 511,650.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.